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All results from a given calculation for H3AlO3 (Aluminum hydroxide)

using model chemistry: B3LYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3H 1A'
Energy calculated at B3LYP/3-21G
 hartrees
Energy at 0K-467.469742
Energy at 298.15K-467.473550
HF Energy-467.469742
Nuclear repulsion energy160.899218
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B3LYP/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3712 3581 0.00      
2 A' 759 733 0.00      
3 A' 521 503 0.00      
4 A" 280 270 444.21      
5 A" 241 233 203.23      
6 E' 3714 3584 50.90      
6 E' 3714 3584 50.88      
7 E' 1016 981 76.63      
7 E' 1016 981 76.62      
8 E' 535 516 307.15      
8 E' 535 516 307.08      
9 E' 267 258 36.56      
9 E' 267 258 36.55      
10 E" 267 258 0.00      
10 E" 267 258 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 8555.6 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 8255.3 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B3LYP/3-21G
ABC
0.21593 0.21593 0.10796

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is C3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.000
O2 0.000 1.696 0.000
O3 -1.469 -0.848 0.000
O4 1.469 -0.848 0.000
H5 -0.746 2.329 0.000
H6 -1.644 -1.810 0.000
H7 2.389 -0.519 0.000

Atom - Atom Distances (Å)
  Al1 O2 O3 O4 H5 H6 H7
Al11.69631.69631.69632.44512.44512.4451
O21.69632.93802.93800.97763.87253.2581
O31.69632.93802.93803.25810.97763.8725
O41.69632.93802.93803.87253.25810.9776
H52.44510.97763.25813.87254.23504.2350
H62.44513.87250.97763.25814.23504.2350
H72.44513.25813.87250.97764.23504.2350

picture of Aluminum hydroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Al1 O2 H5 130.304 Al1 O3 H6 130.304
Al1 O4 H7 130.304 O2 Al1 O3 120.000
O2 Al1 O4 120.000 O3 Al1 O4 120.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 1.137      
2 O -0.758      
3 O -0.758      
4 O -0.758      
5 H 0.379      
6 H 0.379      
7 H 0.379      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.018 0.000 0.000
y 0.000 -26.018 0.000
z 0.000 0.000 -27.037
Traceless
 xyz
x 0.509 0.000 0.000
y 0.000 0.509 0.000
z 0.000 0.000 -1.018
Polar
3z2-r2-2.037
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.421 0.001 0.000
y 0.001 4.422 0.000
z 0.000 0.000 2.359


<r2> (average value of r2) Å2
<r2> 103.453
(<r2>)1/2 10.171